e a sample of 25 hamburgers and weigh them, we find that the mean is 0.57 pounds and the standard deviation is 0.3 pound.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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A hamburger chain sells large hamburgers. When we take a sample of 25 hamburgers and weigh them, we find that the mean is 0.57 pounds and the standard deviation is 0.3 pound.
a. A technology input menu for calculating a confidence interval requires a sample size, a sample mean, and a sample standard deviation. State how you would fill in these numbers.
b. Using the accompanying technology output, report the confidence interval in a carefully worded sentence.
Click here to view the technology output.
i
i Technology Output
a. Sample size:
Sample mean:
Standard
One-Sample T
SE Mean
deviation:
N
Mean
StDev
95% CI
(Type an integer or a decimal. Do not round.)
25
0.57
0.3000
0.0600
(0.4462, 0.6938)
b. Choose the correct interpretation of the confidence interval below and fill in the answer boxes to complete your choice.
(Round to four decimal places as needed. Use ascending order.)
Print
Done
O A. We are 95% confident that the population mean is between
and
O B. We are 95% confident that the recorded sample mean is between
and
O C. There is a 95% probability that the recorded sample mean is between
and
D. There is a 95% probability that the population mean is between
and
Transcribed Image Text:A hamburger chain sells large hamburgers. When we take a sample of 25 hamburgers and weigh them, we find that the mean is 0.57 pounds and the standard deviation is 0.3 pound. a. A technology input menu for calculating a confidence interval requires a sample size, a sample mean, and a sample standard deviation. State how you would fill in these numbers. b. Using the accompanying technology output, report the confidence interval in a carefully worded sentence. Click here to view the technology output. i i Technology Output a. Sample size: Sample mean: Standard One-Sample T SE Mean deviation: N Mean StDev 95% CI (Type an integer or a decimal. Do not round.) 25 0.57 0.3000 0.0600 (0.4462, 0.6938) b. Choose the correct interpretation of the confidence interval below and fill in the answer boxes to complete your choice. (Round to four decimal places as needed. Use ascending order.) Print Done O A. We are 95% confident that the population mean is between and O B. We are 95% confident that the recorded sample mean is between and O C. There is a 95% probability that the recorded sample mean is between and D. There is a 95% probability that the population mean is between and
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